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HBK (Brüel & Kjær) · Noise Monitoring Terminal · Noise monitoring station

Brüel & Kjær 3639

Discontinued

Cabinet-type permanent noise monitoring terminal built on Class 1 Brüel & Kjær analyser hardware, supplied as Plus (3639-E, Type 4952 outdoor microphone) and Advanced (3639-G, Type 4184 weatherproof microphone) variants. Designed for airport and environmental networks running Type 7843 or ANOMS software. Superseded by HBK's Noise Sentinel service terminals.

Specifications verified on .

Type
Noise monitoring station
Class
Class 1
Channels
1
Octave bands
1/1 and 1/3
Connectivity
RS-232, PSTN or GSM modem, LAN, GPRS, WLAN, GPS (ZZ-0249 option)
Weight
22400 g
Battery life
24 h
Compare with other instrumentsAll noise monitoring stations

Specifications

As published by HBK (Brüel & Kjær). Fields the manufacturer does not publish are omitted rather than estimated.

Standards and class — Brüel & Kjær 3639
SpecificationValue
IEC 61672-1 classClass 1
StandardsIEC 61672-1 class 1, IEC 61260 class 0 (filters), IEC 60651, IEC 60804, ANSI S1.4 type 1, ANSI S1.43 type 1
Measurement — Brüel & Kjær 3639
SpecificationValue
Channels1
Measurement range18.9 to 134.0 dB(A) (3639-E); 26.3 to 142.0 dB(A) (3639-G)
Frequency range12.5 Hz to 20 kHz (1/3-octave analysis)
Frequency weightingsA, C, Z
Time weightingsF, S, I
ParametersLeq, Lpeak, Lim, Linst, Lmax, Lmin, LN, PNL, PNLT, EPNdB
Analysis — Brüel & Kjær 3639
SpecificationValue
Octave bands1/1 and 1/3
Octave band filter classclass 0 (IEC 61260)
Reverberation timeNo
Building acousticsNo
Audio recordingYes
Logging and data — Brüel & Kjær 3639
SpecificationValue
Memory40 GB hard disk (at least six months of data)
Hardware — Brüel & Kjær 3639
SpecificationValue
MicrophoneOutdoor Microphone Type 4952 (Plus) or Weatherproof Microphone Type 4184 (Advanced)
Outdoor microphone kitType 4952 or Type 4184 outdoor microphone units
Weather sensorsYes
BatteryUp to two 12 V QB-0065 batteries
Battery life24 h
External power110/220/240 V AC, 12 to 24 V DC, solar panels or external UPS
Autonomy on internal power1 days
Weight22400 g
Dimensions (mm)829.2 x 397.4 x 200.9
IP ratingIP55 without external cables; IP44 with external cables
Operating temperature (°C)-10 to 50 (-40 with low-temperature kit)
Connectivity and software — Brüel & Kjær 3639
SpecificationValue
ConnectivityRS-232, PSTN or GSM modem, LAN, GPRS, WLAN, GPS (ZZ-0249 option)
Remote controlEnvironmental Noise Management Software Type 7843, ANOMS, Noise Monitoring Software Type 7802
SoftwareType 7843 Environmental Noise Management, ANOMS, Type 7802 Noise Monitoring Software, BZ-7844 Event Analysis

Variants

Variants of the Brüel & Kjær 3639 as the manufacturer names them
VariantDifference
3639-E (Plus)Outdoor Microphone Type 4952; dynamic range 18.9 to 134.0 dB(A)
3639-G (Advanced)Weatherproof Microphone Type 4184; dynamic range 26.3 to 142.0 dB(A)

Where this data comes from

Manufacturer documents used for this record
KindDocumentAccessed
DatasheetProduct Data BP 2098-14, Noise Monitoring Terminal Type 3639 (2014-06)

Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.

Spec out of date? Tell us (reference hbk-3639).

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Known issues and firmware notes

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